Window screen



Nov. 14, 1933. w w, KEELER 1,935,122

WINDOW SCREEN Filed Jan. 28, 1955 Patented Nov. 14, 1933 UNITED STATES WINDOW SCREEN William W. Keeler, Washington, D. 0., assignor of one-half to Thomas E. Carroll, Washington,

Application January 28, 1933. Serial No. 654,067

7 Claims. (01. 156-38) The invention relates to an improvement in window screens, more particularly to an extensible window screen which can be extended and contracted to fit window frames of varying width;

One object of the invention, therefore, is the provision of an extensible window screen adapted to fit window'frames of different sizes as well as to facilitate its insertion and removal from the frame.

Another object of the invention resides in the provision of a sectional screen having an improved sliding connection between the screen sections, thus eliminating binding or sticking that usually makes screens of this type difficult to operate;

A further objectof the invention is to provide an extensible screen wherein the meeting faces of the overlapping screen sections are constructed of metal and hence are not susceptible of warping or swelling in damp weather, or when wet from rain or the like, thus providing a screen that possesses a maximum of efiiciency under all service conditions.

A still further object of the invention is to pro 5 vide a screen of the nature stated that is durable and 'efficient, and which can be easily and economically manufactured. i

The novelfeatures that I consider characteristic of my invention are set forth with particu- 0 larity in the appended claims. The invention itself,. however, both as to its construction and method. of operation, together with additional objects and advantages thereof, will best be understood from the following description when read in connection with the accompanying drawin in which: V

Figure 1 is an elevation showing the sectional screen in extended position.

Fig. 2 is an elevation showing the sectional screen in contracted position.

Fig. 3 is a section taken on-line 3-.-3 of Fig. 1. Fig. 4 is a section taken on line 4-4 of Fig. 3. Fig.5 is a section taken on line 5-5 of Fig. 1. Fig. 6 is a detail perspective view of the connector and associated parts providing a sliding connection between the screen-sections.

The sectional screen comprises two overlapping screen sections A and B, which are substantially identical in construction, so that a description of one will suffice.

The frame of the screen section A consists of an outer rail 1, a top rail 2, a bottom rail 3, all of which as shown are made of wood and are secured as by nails or the like, and a sheet metal strip 4 which forms the fourth side of the frame.

ing therefrom, so as to provide a recess.

The metallic strip 4'may be affixed to the top rail 2 and the bottom rail 3 in any suitable manner. In this connection, for an example of one means thatmay be employed, see Fig. 4,wherein one end of the strip 4 is interposed between the top rail. 2fand the supplemental rail member 5, it being understood, of course, that the supplemental rail member 5 vis secured to the top rail 2 as by nails or the like.

The frame is provided with a section of wire mesh or the like 6, which is secured in position in any desired manner. Y

The top rail 2 and the bottom rail 3 are pro vided in their meeting faces with a hollow metallic casing or channel member which has a longitudinally extending opening. In the illustration of this featureof the inventionas applied to the top rail 2, in Fig. 4, the reference numeral 7 designates a. channel member of substantially rectangular cross-section and comprising the bottom'portion 8 and side portions 9 and .10, extending substantially at right angles thereto. The side portions 9 and 10 have inwardly directed flanges 11 and 12, respectively, which provide a longitudinally extending opening 13. Thechannel '7 is fitted against the shoulder 14 of the rail 2 and is maintained in position by the supplemental rail member 5. Although the outer end of the channel"!- is open, at the inner end the bottom portion 8 is bent substantially at a right angle to provide a closure member 15.. It will be understood that the construction and arrangement of the channel member '7 in the bottom rail 3, is substantially the same as that of the top r'ail2. Y

In order to provide a friction-reducing connection between the screen sections A and B, the invention comprehends a connector member and its associated parts as shown in Fig. 6. The flat plate connector member 16 is provided at one end with an aperture 1'L'adapte'd toreceive a cylindrical roller 18. ,At the opposite endj of the connector member 16, I provide a slot or cutout portion of substantially T formation, and comprising a transversely extending portion 19 and a relatively narrow cut-out portion 20, lead- A nut 21 is adapted to be held and prevented from turning within the transversely extending portion 19 of the T slot, as shown clearly in Fig. 3, andI provide a screw 22 which is adapted to extend through the top and bottom rails 2 and 3 and the bottom portions 8 of channel memher '7, then through the narrow cut-out portion 20 of the T slot and have connection with the nut 21.

After the section A has been completely assembled and the section B completely assembled with the exception of the outer rail 1 the first step in the assembly of the composite screen section is to interpose the friction-reducing connection between the top rail 2 of section A and top rail 2 of section B, and between the bottom rail 3 of section A and the bottom rail 3 of section B.

As applied to the top rail 2 and the top rail 2*, this is accomplished in the following manner: The nut 21 is placed within the transversely extending slot 19 of the connector 16, which connector, having the nut 21' assembled therein, is inserted in the open end of the channel '7. The screw 22 is then passed through the rail 2 and through a suitable aperture in the bottom portions 8 of channel members '7, extending through the narrow cut-out portion 20 of the connector, and has connection with the nut 21.

The cylindrical roller 18 is next inserted in the aperture 17 and the roller 18 is inserted in the open end of the channel members 7 of the top and bottom rails 2 and 3 of section B. The roller is therefore housed within the channel members 7 and is adapted to travel along the interior surfaces of the inwardly directed flanges 11 and 12 thereof, after which the outer rail 1 is applied as shown in Fig. 1.

The end of the screw 22 abuts the forward edge of the transversely extending portion 19 of the T slot; so it will be apparent that the rollers 18 I are rigidly supported and that the invention comprehends an improved friction-reducing connection between the two screen sections, with a minimum of play between the meeting faces of the respective sections.

I do not wish to be restricted to the specific structural details and arrangement of parts herein set forth, as various modifications thereof may be effected without departing from the spirit and scope of the invention.

I desire, therefore, that only such limitations shall be imposed as are indicated in the appended claims.

I claim as my invention:

-1. A window screen construction including extensible overlapping screen sections, one of said screen sections being provided with a hollow casing having a longitudinally extending opening, and the other of said sections being provided with a roller which extends through said opening and operates in said hollow casing.

2. A window screen construction including extensible overlapping screen sections, one of said sections being provided with a hollow casing having a longitudinally extending opening and the other of said sections being provided with a roller which extends through said opening and operates in said hollow casing, and means for elfectivelylocking said roller inoperative position within said hollow casing.

3. In an extensible screen, overlapping screen sections having top and bottom rails, said top and bottom rails of one of said screen sections being provided with a channel member having inwardly directed flanges, a roller housed within said channel member and having connection with the other of said screen sections, whereby to provide a friction reducing means between the said screen sections.

4. In an extensible screen, overlapping screen sections having top and bottom rails, said top .and bottom rails of one of said screen sections being provided with a channel member having inwardly directed flanges, a roller housed within said channel, said roller having a detachable connection with the other of said screen sections and adapted to travel on the interior surfaces of the inwardly directed flanges of said channel member,'whereby to provide a friction reducing means between said screen sections,

5. In an extensible screen, overlapping screen sections having top and bottom rails, said top and bottom rails being provided in their meeting faces with a channel member having inwardly directed flanges, said top and bottom rails of one of said screen sections being provided with a cylindrical roller which travels on the interior surfaces of the inwardly directed flanges of the channel members of the top and bottom rails of the other of said screen sections.

6. In an extensible screen, overlapping screen sections having top and bottom rails, said top and bottom rails being provided in their meeting faces, each with a hollow metallic casing, each of which has a longitudinally extending opening, the openings being in substantial alignment, said top and bottom rails of one of said screen sections being provided with a connector member extending through said longitudinally extending opening and having on the free end thereof a roller which operates in the hollow casing of the top and bottom rails of the other of said screen sections.

'7. In an extensible screen, an upper and lower screen section having top and bottom rails, both of said screen sections being provided in their respective meeting faces with a channel member having inwardly directed flanges providing a longitudinally extending opening, said longitudinally extending openings being in substantial alignment, a friction-reducing means interposed between said screen sections and comprisinga con' nector member extending through said openings and having at one end thereof a roller and at the opposite end thereof a T slot, a nut disposed in the transversely extending portion of said T slot, a screw extending through a rail of one of said screen sections and having connection with said nut, said roller being housed within a channel of the other of said screen sections and adapted to travel along the interior surface of the inwardly directed flange of the last mentioned channel.

WILLIAM w. KEELERL 

